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The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?
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What controls activities within a eukaryotic cell?
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Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
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Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%
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In which specimen were cells first identified...
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